After a few algal bubble teas, the slug never needs to eat again. It begins to photosynthesize. It gets all the energy it needs from the sun, having somehow also acquired the genetic ability to run the chloroplasts, eating light, exactly like a plant. How this is possible is still unknown. Remarkably, the now-emerald-green slug is shaped exactly like a leaf, all but for its snail-like head. Its body is flat and broad and heart-shaped, and pointed at its tail end like a leaf tip. A web of leaflike veins branch across its surface. The slug orients its body in the same way a leaf does, angling
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